Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
A moderate decline in average high-temperatures is noted in Gdańsk in December, moving from a frosty 6.9°C (44.4°F) in November to a cold 2.5°C (36.5°F). Gdańsk, during December nights, records a temperature marginally cooler than the daytime average, at a subzero cold -0.4°C (31.3°F).Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months in Gdańsk.Rainfall
In Gdańsk, in December, during 13.6 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Gdańsk, during the entire year, the rain falls for 172.5 days and collects up to 497mm (19.57") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Gdańsk, Poland, during December, snow falls for 11 days and regularly aggregates up to 110mm (4.33") of snow. In Gdańsk, during the entire year, snow falls for 58 days and aggregates up to 437mm (17.2") of snow.Sea temperature
In December, the average sea temperature in Gdańsk is 6.2°C (43.2°F).Note: Taking a dip in 6.2°C (43.2°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
December has the shortest days of the year in Gdańsk, with an average of 7h and 24min of daylight.On the first day of the month, sunrise is at 07:43 and sunset at 15:25. On the last day of December, sunrise is at 08:06 and sunset at 15:30 CET.
Sunshine
In December, the average sunshine is 3.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Gdańsk. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Gdańsk in December?
What are the most humid months in Gdańsk?
What is the average humidity in December in Gdańsk?
How much does it rain in Gdańsk in December?
How many days does it snow in December in Gdańsk?
What is the water temperature in December in Gdańsk?
What is the month with the shortest days in Gdańsk?
What is the average length of the day in December in Gdańsk?
When is the sunrise / sunset in December in Gdańsk?
How long on average sun shines in December in Gdańsk?
When is the lowest UV index in Gdańsk?
How high is the UV index in December in Gdańsk?
Average temperature in December
Gdańsk, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in December
Gdańsk, Poland
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).
Average wind speed in December
Gdańsk, Poland
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in December
Gdańsk, Poland
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Gdańsk, Poland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Gdańsk, Poland
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Gdańsk, Poland
- Average snowfall in December: 110mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gdańsk, Poland
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Gdańsk, Poland
- Average sea temperature in December: 6.2°C
The best month for swimming (with the highest average sea temperature) is August (19.3°C).
The coldest month (with the lowest average sea temperature) is March (2.4°C).
Average daylight in December /
Average sunshine in December
Gdańsk, Poland
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Gdańsk, Poland
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in December
Gdańsk, Poland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Gdańsk, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Gdańsk, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).
